The Boston Globe has the details, or, more accurately, has the lack of details on the financial part. The settlement includes a change in the book's description as well as an apology:

Burroughs and his publisher, St. Martin's Press, agree to call the work a "book" instead of "memoirs," in the author's note and to change the acknowledgments page in future editions to say that the Turcotte family's memories of events he describes "are different than my own," and expressing regret for "any unintentional harm" to them, according to Howard Cooper, an attorney for the family.

The acknowledgments will also refer to the Turcottes (the real name of the family) as fine and hardworking people.